<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陆</title>
    <style>
        div{
            width: 300px;height: 100px;
            display: flex;
            flex-direction: row;
            align-items: center;
            align-content: center;
            justify-content: center;
            margin: auto;
        }
    </style>
</head>
<body>
    <div>
        <fieldset>
            <legend>文件上传</legend>
            <form action="/upload" enctype="multipart/form-data" method="post">
                <input name="file1" type="file"><br>
                <button type="submit">上传</button>
            </form>
        </fieldset>
    </div>
    <hr>




</body>
</html>
